Flat-bed multi-needles double chain-stitch sewing machine(Shirring stitch,looper elastic thread)

Model List:

UN1012PS            3/16,1/0

UN1025PS            3/16,1/1

UN1033PS            3/16,1/2

UN1412PS            3/16,1/3

UN1425PS            3/16,1/4

UN1433PS            3/16,1/5

UN1425PS-ET       Shirring stitch ,needle elastic thread 3/16,1/4

UN1433PS-ET       Shirring stitch ,needle elastic thread 3/16,1/5